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This should produce a conflict and not try to install mongodb-org-unstable (which subsequently fails)
tyler@10gen.com commented on Tue, 31 Dec 2013 15:27:43 +0000: That behavior seems correct to me. Nice work. ernie.hershey@10gen.com commented on Sat, 21 Dec 2013 04:44:27 +0000: As far as I can tell based on testing many permutations is this is ideal behavior. Also from what I've seen overall as a dpkg user I don't think it will ever prevent you from installing conflicting packages (unless we leave them not conflicting and they error on file overwriting as in the original reproduction steps). Warning the user and uninstalling the packages that are already installed seems okay to me. Here's my transcript from the same scenario as the original reproduction with the latest packages: ubuntu@domU-12-31-39-10-32-61:~$ sudo apt-get install mongodb-enterprise-unstable # succeeded ubuntu@domU-12-31-39-10-32-61:~$ sudo apt-get install mongodb-org-unstable Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: libsensors4 libsnmp15 libsnmp-base snmp libperl5.14 Use 'apt-get autoremove' to remove them. The following extra packages will be installed: mongodb-org-unstable-mongos mongodb-org-unstable-server mongodb-org-unstable-shell mongodb-org-unstable-tools The following packages will be REMOVED: mongodb-enterprise-unstable mongodb-enterprise-unstable-mongos mongodb-enterprise-unstable-server mongodb-enterprise-unstable-shell mongodb-enterprise-unstable-tools The following NEW packages will be installed: mongodb-org-unstable mongodb-org-unstable-mongos mongodb-org-unstable-server mongodb-org-unstable-shell mongodb-org-unstable-tools 0 upgraded, 5 newly installed, 5 to remove and 125 not upgraded. Need to get 0 B/109 MB of archives. After this operation, 41.9 MB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 47666 files and directories currently installed.) Removing mongodb-enterprise-unstable ... arg: remove Removing mongodb-enterprise-unstable-mongos ... Removing mongodb-enterprise-unstable-server ... mongod stop/waiting Removing mongodb-enterprise-unstable-shell ... Removing mongodb-enterprise-unstable-tools ... Processing triggers for man-db ... Processing triggers for ureadahead ... Selecting previously unselected package mongodb-org-unstable-shell. (Reading database ... 47620 files and directories currently installed.) Unpacking mongodb-org-unstable-shell (from .../mongodb-org-unstable-shell_2.5.4_amd64.deb) ... Selecting previously unselected package mongodb-org-unstable-server. Unpacking mongodb-org-unstable-server (from .../mongodb-org-unstable-server_2.5.4_amd64.deb) ... Selecting previously unselected package mongodb-org-unstable-mongos. Unpacking mongodb-org-unstable-mongos (from .../mongodb-org-unstable-mongos_2.5.4_amd64.deb) ... Selecting previously unselected package mongodb-org-unstable-tools. Unpacking mongodb-org-unstable-tools (from .../mongodb-org-unstable-tools_2.5.4_amd64.deb) ... Selecting previously unselected package mongodb-org-unstable. Unpacking mongodb-org-unstable (from .../mongodb-org-unstable_2.5.4_amd64.deb) ... Processing triggers for man-db ... Processing triggers for ureadahead ... Setting up mongodb-org-unstable-shell (2.5.4) ... Setting up mongodb-org-unstable-server (2.5.4) ... mongod start/running, process 7055 Setting up mongodb-org-unstable-mongos (2.5.4) ... Setting up mongodb-org-unstable-tools (2.5.4) ... Setting up mongodb-org-unstable (2.5.4) ... ubuntu@domU-12-31-39-10-32-61:~$ auto commented on Sat, 12 Oct 2013 22:20:22 +0000: Author: {u'username': u'ehershey', u'name': u'Ernie Hershey', u'email': u'ernie.hershey@10gen.com'} Message: SERVER-11008 specify Conflicts instead of Breaks Branch: master https://github.com/mongodb/mongo/commit/c7a50d739c50a96690a6acb1818a783d618ed64a auto commented on Fri, 4 Oct 2013 17:26:24 +0000: Author: {u'username': u'ehershey', u'name': u'Ernie Hershey', u'email': u'ernie.hershey@10gen.com'} Message: SERVER-11008 Add full conflicting package name list Branch: master https://github.com/mongodb/mongo/commit/fc780bfec97713119dd16c4996cd0c484de4ab71 ernie.hershey@10gen.com commented on Wed, 2 Oct 2013 19:35:39 +0000: That makes sense to me. In a few cases the distinction is arguable, like distribution packages, but I think for the whole list we should specify "cannot be simultaneously configured" (breaks) more than "A will not operate if B is installed" (conflicts). In most cases the files are in identical locations, so there's no meaningful way to have them installed together. This might change in the future though if we support upgrades and other multiple version scenarios via packages. tyler@10gen.com commented on Wed, 2 Oct 2013 18:20:45 +0000: Ok, now that I've read some additional stuff on this page (section 7.9): http://www.debian.org/doc/manuals/debian-faq/ch-pkg_basics.en.html Maybe we want breaks instead of conflicts? ernie.hershey@10gen.com commented on Wed, 2 Oct 2013 17:56:49 +0000: Here's every server package name we've released: mongo-10gen mongo-10gen-enterprise mongo-10gen-enterprise-server mongo-10gen-server mongo-10gen-unstable mongo-10gen-unstable-enterprise mongo-10gen-unstable-enterprise-server mongo-10gen-unstable-mongos mongo-10gen-unstable-server mongo-10gen-unstable-shell mongo-10gen-unstable-tools mongo18-10gen mongo18-10gen-server mongo20-10gen mongo20-10gen-server mongodb-10gen mongodb-10gen-enterprise mongodb-10gen-unstable mongodb-10gen-unstable-enterprise mongodb-10gen-unstable-mongos mongodb-10gen-unstable-server mongodb-10gen-unstable-shell mongodb-10gen-unstable-tools mongodb18-10gen mongodb20-10gen ernie.hershey@10gen.com commented on Wed, 2 Oct 2013 17:56:37 +0000: The list of conflicts is going to be huge - Flavors to account for: 1) Linux Distribution Maintained / MongoDB Inc. Maintained 2) Old names / new names 3) Split / not split 4) Stable / Unstable 5) Community / Enterprise 32 (2^5) total permutations and anything with split sub-packages will actually be 4 packages to conflict with.
vagrant@precise64:~$ sudo apt-get install mongodb-enterprise-unstable vagrant@precise64:~$ sudo apt-get install mongodb-org-unstable Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: mongodb-org-unstable-mongos mongodb-org-unstable-server mongodb-org-unstable-shell mongodb-org-unstable-tools The following NEW packages will be installed: mongodb-org-unstable mongodb-org-unstable-mongos mongodb-org-unstable-server mongodb-org-unstable-shell mongodb-org-unstable-tools 0 upgraded, 5 newly installed, 0 to remove and 149 not upgraded. Need to get 97.6 MB of archives. After this operation, 249 MB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://distro-deb2.build.10gen.cc/rebrand/ubuntu-upstart/ dist/mongodb mongodb-org-unstable-shell amd64 2.5.2 [3,561 kB] Get:2 http://distro-deb2.build.10gen.cc/rebrand/ubuntu-upstart/ dist/mongodb mongodb-org-unstable-server amd64 2.5.2 [8,093 kB] Get:3 http://distro-deb2.build.10gen.cc/rebrand/ubuntu-upstart/ dist/mongodb mongodb-org-unstable-mongos amd64 2.5.2 [5,760 kB] Get:4 http://distro-deb2.build.10gen.cc/rebrand/ubuntu-upstart/ dist/mongodb mongodb-org-unstable-tools amd64 2.5.2 [80.2 MB] Get:5 http://distro-deb2.build.10gen.cc/rebrand/ubuntu-upstart/ dist/mongodb mongodb-org-unstable amd64 2.5.2 [3,028 B] Fetched 97.6 MB in 17s (5,737 kB/s) Selecting previously unselected package mongodb-org-unstable-shell. (Reading database ... 51330 files and directories currently installed.) Unpacking mongodb-org-unstable-shell (from .../mongodb-org-unstable-shell_2.5.2_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/mongodb-org-unstable-shell_2.5.2_amd64.deb (--unpack): trying to overwrite '/usr/bin/mongo', which is also in package mongodb-enterprise-unstable 2.5.2 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Selecting previously unselected package mongodb-org-unstable-server. Unpacking mongodb-org-unstable-server (from .../mongodb-org-unstable-server_2.5.2_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/mongodb-org-unstable-server_2.5.2_amd64.deb (--unpack): trying to overwrite '/usr/bin/mongod', which is also in package mongodb-enterprise-unstable 2.5.2 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Selecting previously unselected package mongodb-org-unstable-mongos. Unpacking mongodb-org-unstable-mongos (from .../mongodb-org-unstable-mongos_2.5.2_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/mongodb-org-unstable-mongos_2.5.2_amd64.deb (--unpack): trying to overwrite '/usr/bin/mongos', which is also in package mongodb-enterprise-unstable 2.5.2 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Selecting previously unselected package mongodb-org-unstable-tools. Unpacking mongodb-org-unstable-tools (from .../mongodb-org-unstable-tools_2.5.2_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/mongodb-org-unstable-tools_2.5.2_amd64.deb (--unpack): trying to overwrite '/usr/bin/mongoperf', which is also in package mongodb-enterprise-unstable 2.5.2 No apport report written because MaxReports is reached already dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Selecting previously unselected package mongodb-org-unstable. Unpacking mongodb-org-unstable (from .../mongodb-org-unstable_2.5.2_amd64.deb) ... Errors were encountered while processing: /var/cache/apt/archives/mongodb-org-unstable-shell_2.5.2_amd64.deb /var/cache/apt/archives/mongodb-org-unstable-server_2.5.2_amd64.deb /var/cache/apt/archives/mongodb-org-unstable-mongos_2.5.2_amd64.deb /var/cache/apt/archives/mongodb-org-unstable-tools_2.5.2_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1)